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Mazda CX-5 Service & Repair Manual: Camshaft Position (CMP) Sensor Inspection

Mazda CX-5 Service & Repair Manual / Engine / Control / Camshaft Position (CMP) Sensor Inspection

Intake CMP Sensor

Visual inspection

CAUTION:

1. Remove the intake CMP sensor..

2. Verify that there are no metal shavings on the intake CMP sensor.

Voltage inspection

CAUTION:

1. Idle the engine.

2. Measure the intake CMP sensor output voltage using the oscilloscope.



Terminal

Voltage (V)

Condition

A

Above 4.8

High output*

Below 0.8

Low output*

B

Below 1.0

Under any condition

C

B+

Under any condition


* Output voltage varies with camshaft rotation.

Exhaust CMP Sensor

Visual inspection

CAUTION:

1. Remove the exhaust CMP sensor..

2. Verify that there are no metal shavings on the exhaust CMP sensor.

Voltage inspection

CAUTION:

1. Idle the engine.

2. Measure the exhaust CMP sensor output voltage using the oscilloscope.



Terminal

Voltage (V)

Condition

A

Above 4.8

High output*

Below 0.8

Low output*

B

Below 1.0

Under any condition

C

B+

Under any condition


* Output voltage varies with camshaft rotation.

Air Fuel Ratio (A/F) Sensor
Purpose/Function Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount. Detects the oxy ...

Camshaft Position (CMP) Sensor Removal/Installation
CAUTION: When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor output signal will malfu ...

Other materials:

Instrumentation/Driver Info. Personalization
A personalization function has been adopted which enables the instrument cluster settings to be changed. The Mazda Modular Diagnostic System (M-MDS) is required to perform the setting. Refer to the Workshop Manual for the detailed setting procedure. Instrument cluster ...

Front Door Trim Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the inner garnish.. 3. Insert a tape-wrapped flathead screwdriver in the position indicated by the arrow (1) in the figure and remove the inner handle cover while detach tabs A, pin B. 4. Remove the screw C. 5. Remove the cover ...

How To Use This Manual
Range of Topics This manual contains procedures for performing all required service operations. The procedures are divided into the following five basic operations: Removal/Installation Disassembly/Assembly Replacement Inspection Adj ...

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